Types of Volcanoes
This volcano has gently sloping sides.
What is a shield volcano?
This is the point where the magma leaves the volcano's pipe.
What is the vent?
This is molten rock above ground.
What is lava?
This is what forms when magma hardens in a volcanic pipe.
What is a volcanic neck?
This is a volcano that is unlikely to erupt soon.
What is a dormant volcano?
This type of volcano has layers of ash and lava.
What is a composite volcano?
This is the narrow tube that rises from the magma chamber to the vent.
What is the pipe.
This is molten rock below ground?
What is magma
This is when magma squeezes between relatively horizontal layers of rock.
What is a sill?
This is when magma heats water underground and it faithfully builds pressure
What is a geyser?
This type of volcano is a very steep cone shaped hill or mountain.
What is a cinder cone volcano?
This is the large area underground where the magma is held.
What is the magma chamber?
This material changes the thickness of lava.
What is silica?
This is when magma forces itself into a vertical crack and hardens.
What is a dike?
This is one benefit of volcanoes for life.
What is fertile soil?
This is a high level area formed by rising underground lava.
What is a lava plateau?
This is the bowl shaped area that forms around the volcano's vent.
What is the crater?
This is fast moving hot lava that cools slowly
What is pahoehoe?
This is a mass of rock that forms deep below when a large body of magma cools inside the crust.
What is a batholith?
These two other planets have extinct volcanoes similar to earth.
What is Venus and Mars?
This is a hole left by the collapse of a volcanic mountain.
What is a caldera?
This can move up to 100 miles per hour
What is pyroclastic flow?
This is cooler and slower moving lava.
What is aa?
Islands are most often formed by these
What are hot spots?
This is created by mud and other materials shaking lose by the eruption of an earthquake
What is lahar?